Earlier this week, Apple confirmed that some iPhone 5s units are affected by battery-life issues due to a manufacturing glitch. Apple said that customers with affected units would be contacted to receive a replacement device. Now, sources have shared some details into how exactly that process will work. Besides what is listed in the quote from Apple’s PR department, Apple has told AppleCare representatives that the issue can cause “shortened battery life, longer charge times, or a battery that will no longer charge…”

Nearly three years after the device first launched, GigaOm points us to a recently filed class action lawsuit that claims Apple’s iPhone 4 has a defective power button. The lawsuit claims that a defective flex cable typically causes the on/off switch to fail shortly after the device’s one year warranty has expired. It also claimsApple is aware of the problem, which is costing users around $149 to fix off of warranty.

Apple of course still sells the iPhone 4 through a number of carrier partners as its low end, $0 down iPhone option.

According to the lawsuit, “thousands of iPhone 4 users have suffered” from the issue that Apple allegedly knew existed before manufacturing and selling the device. The problem has never received a lot of mainstream media coverage or a response from Apple, but the lawsuit notes that a support forum on Apple’s website boasts over 800K views since first popping up in January 2011. Read more